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backend-drm: Rename surface_overlap to visible_view

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To clarify its meaning, especially relative to clipped_view.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
This commit is contained in:
Robert Mader 2025-10-17 12:23:25 +02:00
parent 56aeb48f6d
commit 900ab0d39f
1 changed files with 8 additions and 8 deletions
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16
libweston/backend-drm/state-propose.c
View file

@ -856,7 +856,7 @@ drm_output_propose_state(struct weston_output *output_base,
struct weston_view *ev = pnode->view;
struct drm_plane_state *ps = NULL;
pixman_region32_t clipped_view;
pixman_region32_t surface_overlap;
pixman_region32_t visible_view;
bool totally_occluded = false;
bool need_underlay = false;
@ -888,17 +888,17 @@ drm_output_propose_state(struct weston_output *output_base,
&ev->transform.boundingbox,
&output->base.region);
pixman_region32_init(&surface_overlap);
pixman_region32_subtract(&surface_overlap, &clipped_view,
pixman_region32_init(&visible_view);
pixman_region32_subtract(&visible_view, &clipped_view,
&occluded_region);
/* if the view is completely occluded then ignore that
* view; includes the case where occluded_region covers
* the entire output */
totally_occluded = !pixman_region32_not_empty(&surface_overlap);
totally_occluded = !pixman_region32_not_empty(&visible_view);
if (totally_occluded) {
drm_debug(b, "\t\t\t\t[view] ignoring view %p "
"(occluded on our output)\n", ev);
pixman_region32_fini(&surface_overlap);
pixman_region32_fini(&visible_view);
pixman_region32_fini(&clipped_view);
continue;
}
@ -933,9 +933,9 @@ drm_output_propose_state(struct weston_output *output_base,
* the view intersects the calculated renderer region, it must
* be part of, or occluded by, it, and cannot go on an overlay
* plane. */
pixman_region32_intersect(&surface_overlap, &renderer_region,
pixman_region32_intersect(&visible_view, &renderer_region,
&clipped_view);
if (pixman_region32_not_empty(&surface_overlap)) {
if (pixman_region32_not_empty(&visible_view)) {
if (b->has_underlay) {
need_underlay = true;
} else {
@ -947,7 +947,7 @@ drm_output_propose_state(struct weston_output *output_base,
current_lowest_zpos_underlay);
}
}
pixman_region32_fini(&surface_overlap);
pixman_region32_fini(&visible_view);
/* If need_underlay, but view contains alpha, then it needs to
* be rendered. Only fully-opaque views can go on an underlay.